CN104825053A

CN104825053A - Kettle

Info

Publication number: CN104825053A
Application number: CN201510064664.9A
Authority: CN
Inventors: 亚历山大·高特-巴腾
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-02-07
Filing date: 2015-02-06
Publication date: 2015-08-12
Anticipated expiration: 2035-02-06
Also published as: GB2524872B; AU2020289776A1; CN104825053B; AU2015200593A1; GB201502000D0; GB201402184D0; AU2020289776B2; GB2524872A; GB201410366D0

Abstract

The invention relates to a kettle, which comprises a main body (10), an element assembly (11) and a base (12). The main body comprises a flange (14) on the inner surface; the flange is used in cooperation with a sealing member on the element assembly to form a lower impervious surface of the main body. The kettle also as a holding structure that comprises a first and a second support (21, 22) that are used in cooperation with the flange (14) to keep the element assembly in a certain position. The kettle also comprises an apparatus(26)that prevents the supports rotate in an install position.

Description

Kettle

Technical field

The present invention relates to kettle.

Background technology

Kettle is relatively noisy kitchen appliance.Because kettle inside does not have moving component, the main source of noise is because the cavitation in the water when water is boiled by heating element heater caused.

In the last few years, from about 2.2KW, about 3.2KW was increased to the power that the demand of heat time shorter in kettle and water pot (jug) result in typical heater.This is especially true for covering for beneath heating element heater and thick film heater of more extensively adopting.Realizing the increase of this power when not increasing heater size, making utensil not need to make larger to hold larger heater.Thus, the increase of heating power causes the increase of the power density being applied to heater surfaces.Which in turn improves the heat transfer process between heater and water.

As explanation, under low power density, the temperature difference between heater surfaces and water quite low (being generally 10 DEG C) and realize heat trnasfer by convection current.But, usually seeing high power water heater (2080W/cm ²) in power density under, the temperature difference between water heater surface and carrying liquid (bulk liquid) enlarges markedly, and result in the formation of air or vapor bubbles on a microscopic level.The temperature difference of this increase makes the process causing heat trnasfer to occur be nucleateboiling process from convective heat transfer process change.These power density values make to cause producing bubble in whole heat cycles.The main cause that between water period of heating, noise produces at the formation of the bubble of heater surfaces, these bubbles from breaking subsequently of bubble the release and carrying liquid of heater surfaces.Usually, noise grade can reach 70dB or higher.

GB2386532 discloses a kind of heating element heater, and wherein kettle surface is provided with the adjacent area with different surface tension characteristics.This surface is provided with two-phase or multiphase coating, and this coating comprises the particle of the nucleation site being provided for bubble and the matrix in order to destroy bubble development.But this coating has proved insecure and has been subject to the impact of calcium accumulation.

In addition, although the method result in significant noise reduction, proved to be difficult to accomplish further noise reduction for the manufacturer in this area.

WO2013029386 discloses a kind of sealing device for kettle.Seal member is arranged in the outside of snap ring, contraction bands or metal binding belt (twist tie) heating element heater and large main body to be settled in the mode be tightly connected.This device will have the short life-span and be easy to lose efficacy.

Summary of the invention

The present invention seeks to provide one in use than kettle existing on market more quietly kettle.

According to the present invention, provide a kind of kettle, this kettle has main body, component element and pedestal, wherein, water kettle body is included the flange on surface, and this flange is suitable for the fluid-tight lower surface cooperated with the seal on component element to form water kettle body, and wherein said kettle is also provided with holding structure, this holding structure comprises the first and second supports, and described first and second supports are suitable for cooperating component element is held in place with described flange.

Preferably, described holding structure also comprises the clip being suitable for the rotation preventing bracket component when being in installation site.Preferably, water kettle body is made of metal.Preferably, described flange is provided with cut portion (cut out), and this cut portion is suitable for cooperating with the cut portion on support.

Believe that the structure of this kettle can absorb the vibration that produced by bubbles burst thus significantly reduce noise.The noise of kettle also has the frequency lower than kettle of the prior art, and this low-frequency noise is not so easily discovered for ear.

Accompanying drawing explanation

In further detail one exemplary embodiment of the present invention are described now with reference to accompanying drawing, wherein:

Fig. 1 illustrates the decomposition view of kettle of the prior art.

Fig. 2 illustrates the decomposition view according to kettle of the present invention.

Fig. 3 illustrates holding structure.

Fig. 4 illustrates contrast chart.

Detailed description of the invention

Fig. 1 illustrates the decomposition view of kettle of the prior art, and this kettle comprises body assembly 1, wiper seal assembly unit 2, C clamp 3 and base 4.C clamp 3 and base 4 can be single unit.Wiper seal assembly unit 2 comprises the plane component 5 with circumferential seal 6 and electrical fitting 7, and this electrical fitting makes it possible to supply power to element 5.Kettle is assembled like this: be inserted into by wiper seal assembly unit in kettle main body, and make plane component 5 be that the water tank of kettle is formed and has the pedestal of circumferential seal, this circumferential seal guarantees fluid-tight sealing.Make C clamp scarf in place to make element sub-component be held in place.Assembly element protective device and other internal parts and then scarf base 4.Other screw scarves can be entered in the control device assembled by base now.Kettle component calls uses specific module fixture to guarantee that these parts can not to partially.Once after assembling, usually pressure test is carried out to kettle, namely by the pressure of applying 0.3 bar to kettle with detection of leaks.Then usually adopt water to carry out boiling test to kettle, and then allow cooling 4 hours to check the sign of any leakage.

Fig. 2 illustrates the decomposition view of kettle of the present invention.This kettle comprises water kettle body 10, basic identical with the design in Fig. 1 wiper seal assembly unit 11, holding structure 12 and pedestal 13.Water kettle body 10 is provided with inner flange or outstanding wall 14, and this inner flange or outstanding wall are suitable for receiving wiper seal assembly unit 11, make component seal part provide sealing in flange walls.Flange the inner relative surface of kettle is provided with at least one and preferred multiple clip 15 being suitable for engaging with holding structure in the assembled condition.These metal holders form from the skin cut/cutting of flange material.Flange is also provided with screw hole 17 to receive multiple screw 16.Described screw is optional feature.

Holding structure comprises the first maintenance support 20 and second and keeps support 21, and each support has substantially semicircular shape, makes to be in one end of installation site between end relative separately to there is a little space.At other ends, support is near the steam pipe of the part as control device.Each in support 20,21 is provided with the screwing through hole being suitable for cooperating with the screw hole 17 on flange.Each support 20,21 is provided with the cut-out 23 being suitable for cooperating with clip 15.

Fig. 3 illustrate in further detail holding structure.Each support has upright trapezoid part 24 at one end place that the support corresponding to another is relative.First support 20 is provided with in the cut portion 25 of nearside adjacent to this vertical component 24.Keep support clip 26 to be suitable for engaging with vertical component and be provided with the wedge shape part 27 in the middle of its end, this wedge shape part is suitable in scarf space between two supports.Spring member 28 on clip 26 is suitable for being bonded in cut portion 25.Clip 26 is used as counter rotation device and thus prevents support 20,21 from rotating.

Clip 15 in water kettle body makes element keep support 20,21 to be held in place and the load of the element supported in kettle and water.Can observe, keep support to be supported by all metal holders in an assembling process.Keep support also to have extra clip 26, this clip 26 hooks in water kettle body to scatter load further.

Alternatively, can element be changed, first remove pedestal, then remove support clamp 26.Then bracket component 20,21 can rotate freely and can screw out to make it possible to remove this bracket component below clip 15.Then removable steam pipe, removes component element subsequently.Then can insert new element, and after guaranteeing fluid-tight sealing, can reinstall and keep support and make them be held in place by clip 26.

Fig. 4 illustrates the comparison diagram of the kettle noise (change) in time for four kettles.Kettle of the present invention is labeled as CVJK13.Kettle JKT3 has the element of the 2.7kW identical with kettle CVJK13 and identical seal.Two remaining kettles have the element of 2.2kW.Experimental program is as follows:

1) cold water of 15 DEG C is filled until maximum volume 1.6 liters to each kettle.

2) sound level meter is placed on the distance of distance kettle 60cm.

3) test from cold water to boiling water is started.

As found out from chart, kettle CVJK13 has the maximum noise of 64dB, although have the more noisy higher power component of expection meeting, but peak noise minimum for other kettles is 68dB.Believe that holding structure absorbs the vibration caused by the bubbles burst in liquid.

Claims

1. a kettle, this kettle has main body, component element and pedestal, wherein, water kettle body comprises the flange be positioned on inner surface, this flange is suitable for cooperating with the seal on described component element, and to form the fluid-tight lower surface of described water kettle body, wherein said kettle is also provided with holding structure, this holding structure comprises the first and second supports, and described first and second supports are suitable for cooperating with described flange described component element is held in place.

2. kettle according to claim 1, wherein, described holding structure also comprises counter rotation device, and this counter rotation device is suitable for the rotation preventing bracket component when being in installation site.

3. kettle according to claim 1 and 2, wherein, described water kettle body is made of metal.

4. kettle according to any one of claim 1 to 3, wherein, described flange is provided with the cut portion being suitable for cooperating with the cut portion on described support.

5. the kettle according to any one of claim 2 to 5, wherein, described counter rotation device comprises the clip being suitable for preventing the rotation of described bracket component when being in installation site.

6. the kettle according to any one of claim 2 to 5, wherein, described counter rotation device comprises the device being suitable for connecting described bracket component with discharging He preventing the rotation when being in installation site.